.demo{
    font-family: sans-serif;
    border: 1px solid greenyellow;
    border-radius: 2px;
    padding: 20px 30px;
    margin-top: 1em;
    margin-bottom: 40px;
    user-select: none;
    overflow-x: auto;
    font-size: 18px;
}

.setbg{
    background: aliceblue;
    font-size: 22px;
    color: green;
    line-height: 1.2cm;
}

input{
    color: crimson;
    width: 2cm;
    height: auto;
    font-size: 19px;
}

/*class为name的所有label*/
label.name{
    color: blue;
    width: 5cm;
    display: inline-block;
    text-align: right;
    /*style: "height:50px;width:100px"*/
}

label.unit{
    color: blue;
    width: 1cm;
    display: inline-block;
    text-align: left;
    margin-left: 8px;
}

label.check{
    color: blue;
    width: 2cm;
    display: inline-block;
    text-align: right;
}